CN108911041B - Desulfurization waste liquid purifier - Google Patents
Desulfurization waste liquid purifier Download PDFInfo
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- CN108911041B CN108911041B CN201810818540.9A CN201810818540A CN108911041B CN 108911041 B CN108911041 B CN 108911041B CN 201810818540 A CN201810818540 A CN 201810818540A CN 108911041 B CN108911041 B CN 108911041B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Water Supply & Treatment (AREA)
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a desulfurization waste liquid purification device which comprises a first desulfurization tank, a second desulfurization tank, a third desulfurization tank and a fourth desulfurization tank, wherein the first desulfurization tank is connected with the second desulfurization tank; the first desulfurization tank is internally provided with a porous ceramic filtering device and a ceramic membrane, the porous ceramic filtering device comprises a straight-tube ceramic membrane filtering tube, a plurality of filtering channels are arranged on the ceramic membrane filtering tube, one end of the ceramic membrane filtering tube is provided with a liquid collecting hopper, one end of the liquid collecting hopper is communicated with one end of the ceramic membrane filtering tube, one end of the liquid collecting hopper is connected with a collision separation straight tube, a plurality of collision plates are arranged in the collision separation straight tube at equal intervals, one end of the collision separation straight tube is connected with a gourd-shaped ceramic membrane filtering piece, one end of the ceramic membrane filtering piece is connected with a liquid outlet tube, porous ceramic balls are arranged in the ceramic membrane filtering piece, and a filtering; ceramic filler and active carbon are stacked in the second desulfurization tank, active carbon is arranged in the third desulfurization tank, and a ceramic membrane is arranged in the fourth desulfurization tank.
Description
Technical Field
The invention relates to the technical field of desulfurization purification equipment, in particular to a desulfurization waste liquid purification device.
Background
In the process of wet desulphurization, the salt content of the desulphurization solution is gradually increased, and the accumulation of components such as thiocyanate, thiosulfate and the like can influence the desulphurization effect of the desulphurization solution, so that a part of the desulphurization solution can be periodically discharged, and the part of the desulphurization solution is subjected to incineration treatment in a subsequent sintering section. However, the desulfurization waste liquid contains a large amount of substances such as sulfur paste and desulfurization catalyst, which may cause the exhaust emission of sulfur dioxide and hydrogen sulfide to exceed standards, and may affect the quality of sintered ore, so that the desulfurization waste liquid needs to be purified more thoroughly.
Disclosure of Invention
The invention aims to provide a desulfurization waste liquid purification device capable of deeply purifying desulfurization waste liquid.
The invention provides a desulfurization waste liquid purification device, which comprises a first desulfurization tank, a second desulfurization tank, a third desulfurization tank and a fourth desulfurization tank which are communicated in sequence;
the liquid inlet of the first desulfurization tank is externally connected with desulfurization waste liquid through a liquid inlet pipe, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the first desulfurization tank and the liquid inlet of the second desulfurization tank, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the second desulfurization tank and the liquid inlet of the third desulfurization tank, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the third desulfurization tank and the liquid inlet of the fourth desulfurization tank, and a liquid outlet of the fourth desulfurization tank is connected with a liquid discharge pipe with the switch valve;
the first desulfurization tank is internally provided with a porous ceramic filter device and a ceramic membrane for filtering and purifying desulfurization waste liquid, the porous ceramic filter device comprises a straight tube type ceramic membrane filter tube, the ceramic membrane filter tube is provided with a plurality of filter channels along the extension direction of the axis, one end of the ceramic membrane filter tube is provided with a horn-shaped collecting hopper, the end with a larger opening of the collecting hopper is communicated with one end of the ceramic membrane filter tube, the end with a smaller opening of the collecting hopper is connected with a collision separation straight tube, a plurality of collision plates are arranged in the collision separation straight tube at equal intervals, one end of the collision separation straight tube, which is far away from the collecting hopper, is connected with a gourd-shaped ceramic membrane filter piece, one end of the ceramic membrane filter piece, which is far away from the collision separation straight tube, is connected with a liquid outlet tube, and a, a filter pore plate is arranged at the connecting part of the liquid outlet pipe and the ceramic membrane filter piece;
ceramic filler and active carbon that carry out filtration purification to the desulfurization waste liquid have been piled in the second digester, be provided with the active carbon that is used for deep purification in the third digester, be provided with the ceramic membrane that is used for deep purification in the fourth digester.
The technical scheme of the invention has the beneficial effects that: carry out the deep desulfurization that purifies to the desulfurization liquid in proper order through setting up these four digester of first digester, second digester, third digester and fourth digester, the good waste liquid purification of desulfurization is comparatively thorough, and the porous ceramic filter equipment of installation can effectively break up even desulfurization liquid and carry out filtration purification again in first digester, and purifying effect is good.
Further, the liquid collecting hopper and collision separation straight tube integrated into one piece, the liquid collecting hopper with the connection can be dismantled to the screw thread formula between the ceramic membrane filter tube, collision separation straight tube with the connection can be dismantled to the screw thread formula between the ceramic membrane filter piece, the ceramic membrane filter piece with the connection can be dismantled to the screw thread formula between the drain pipe.
Further, the ceramic filler comprises a cylindrical main ceramic frame, the main ceramic frame comprises two flat plates which are oppositely arranged and two lace bent plates which are oppositely arranged, and the lace bent plates are composed of arc-shaped inner concave plates and arc-shaped outer convex plates which are continuously connected at intervals; and a plurality of collision guide plates are fixed on the inner side walls of the two flat plates at equal intervals, and the collision guide plates extend downwards towards the central part of the main ceramic frame in an inclined mode.
Further, the structure reinforcing frame is installed to main part ceramic frame's bottom, the structure reinforcing frame includes central ring and four branch laths of fixed connection in central ring week side, and wherein two branch laths correspond respectively and fix on the inside wall of two plats, and two other branch laths are fixed on the inside wall of two lace bent plates.
Further, the tops of the first desulfurization tank, the second desulfurization tank, the third desulfurization tank and the fourth desulfurization tank are all provided with exhaust ports, and the exhaust ports are communicated with exhaust pipes with switch valves.
Furthermore, the first desulfurizing tank, the second desulfurizing tank, the third desulfurizing tank and the fourth desulfurizing tank are also communicated with a backwashing water pipe with a switch valve.
Furthermore, blow-off pipes with switch valves are communicated with the first desulfurizing tank, the second desulfurizing tank, the third desulfurizing tank and the fourth desulfurizing tank.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a desulfurization waste liquid purification apparatus according to an embodiment of the present invention;
FIG. 2 is a structural view of a porous ceramic filter unit according to an embodiment of the present invention;
FIG. 3 is a cross-sectional structural view of a porous ceramic filter device according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3;
FIG. 5 is a structural view of a ceramic packing according to an embodiment of the present invention;
FIG. 6 is a half sectional view showing a ceramic packing according to an embodiment of the present invention.
Wherein the reference numerals are:
1. the desulfurization device comprises a first desulfurization tank, 2, a second desulfurization tank, 3, a third desulfurization tank, 4, a fourth desulfurization tank, 5, a liquid inlet pipe, 6, a liquid discharge pipe, 7, a ceramic membrane filter pipe, 8, a filter channel, 9, a liquid collecting hopper, 10, a collision separation straight pipe, 11, a collision plate, 12, a ceramic membrane filter piece, 13, a liquid outlet pipe, 14, a filter pore plate, 15, a flat plate, 16, a lace bent plate, 16a, an arc inner concave plate, 16b, an arc outer convex plate, 17, a collision guide plate, 18, a structure reinforcing frame, 18a, a center ring, 18b, a branch strip plate, 19, an exhaust pipe, 20, a backwashing water pipe, 21 and a sewage discharge pipe.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1 to 6, the present invention provides a desulfurization waste liquid purification apparatus, which includes a first desulfurization tank 1, a second desulfurization tank 2, a third desulfurization tank 3, and a fourth desulfurization tank 4, which are sequentially communicated; the liquid inlet of the first desulfurization tank 1 is externally connected with desulfurization waste liquid through a liquid inlet pipe 5, a pipeline which is communicated with the liquid inlet of the second desulfurization tank 2 and is provided with a switch valve is arranged on the pipeline, the liquid outlet of the first desulfurization tank 1 is communicated with the liquid inlet of the second desulfurization tank 2 and is provided with a switch valve, the pipeline which is communicated with the liquid outlet of the third desulfurization tank 3 and is provided with a switch valve is arranged on the pipeline, the liquid outlet of the third desulfurization tank 3 is communicated with the liquid inlet of the fourth desulfurization tank 4 and is provided with a switch valve, and the liquid outlet of the fourth desulfurization tank 4 is connected with a liquid discharge pipe 6 with;
a porous ceramic filtering device and a ceramic membrane for filtering and purifying the desulfurization waste liquid are arranged in the first desulfurization tank 1, wherein the porous ceramic filtering device comprises a straight tube type ceramic membrane filtering tube 7, a plurality of filtering channels 8 are arranged on the ceramic membrane filtering tube 7 along the extending direction of the axis, a horn-shaped collecting hopper 9 is arranged at one end of the ceramic membrane filtering tube 7, one end of the collecting hopper 9 with a larger opening is communicated with one end of the ceramic membrane filtering tube 7, one end of the collecting hopper 9 with a smaller opening is connected with a collision separation straight tube 10, a plurality of collision plates 11 are arranged in the collision separation straight tube 10 at equal intervals, one end of the collision separation straight tube 10, which is far away from the collecting hopper 9, is connected with a calabash-shaped ceramic membrane filtering piece 12, one end of the ceramic membrane filtering piece 12, which is far away from the collision separation straight tube 10, is connected with a liquid outlet, a filter pore plate 14 is arranged at the connecting part of the liquid outlet pipe 6 and the ceramic membrane filter piece 12; ceramic filler and active carbon for filtering and purifying the desulfurization waste liquid are piled in the second desulfurization tank 2, the active carbon for deep purification is arranged in the third desulfurization tank 3, and the ceramic membrane for deep purification is arranged in the fourth desulfurization tank 4.
Specifically, carry out the deep desulfurization that purifies to the desulfurization liquid in proper order through setting up these four digester of first digester 1, second digester 2, third digester 3 and fourth digester 4, the good waste liquid of desulfurization purifies comparatively thoroughly, and the porous ceramic filter equipment of installation can effectively break up even desulfurization liquid and carry out filtration purification again in first digester 1, and purifying effect is good.
As one of them improvement, collection liquid hopper 9 and collision separation straight tube 10 integrated into one piece, the connection can be dismantled to the screw thread formula between collection liquid hopper 9 and the ceramic membrane filter tube 7, and collision separation straight tube 10 and ceramic membrane filter piece 12 between the screw thread formula can be dismantled and be connected, and the ceramic membrane filter piece 12 and drain pipe 13 between the screw thread formula can be dismantled and be connected. The liquid collecting hopper and the collision separation straight pipe are not used for impurity absorption and impurity filtration, and in the actual production process, the liquid collecting hopper and the collision separation straight pipe can be arranged by the same material integrated into one piece, so that the production and the installation are more convenient, and the liquid collecting hopper and the collision separation straight pipe are arranged and are detachably connected with the ceramic membrane filter pipe, the ceramic membrane filter piece and the liquid outlet pipe, thereby being favorable for the disassembly, assembly, storage, maintenance and replacement of each element in the filter device.
As another improvement, the ceramic filler comprises a cylindrical main ceramic frame, the main ceramic frame comprises two flat plates 15 arranged oppositely and two lace bent plates 16 arranged oppositely, and the lace bent plates 16 are composed of arc-shaped inner concave plates 16a and arc-shaped outer convex plates 16b which are continuously connected at intervals; a plurality of collision guide plates 17 are fixed on the inner side walls of the two flat plates 15 at equal intervals, and the collision guide plates 17 extend downwards and slantwise towards the central part of the main body ceramic frame.
Specifically, through the different main part ceramic frame of design and conventional ceramic packing, make its frame main part by two flat boards of relative setting, two lace bent plates constitute, the lace bent plate is further by the arc indent board of continuous interval connection, the arc evagination board is constituteed, make the transversal arc wavy of personally submitting of lace bent plate, whole main part ceramic frame's flux is very high, a plurality of collision guide plates that set up on the dull and stereotyped inside wall extend downwards towards main part ceramic frame's middle part is oblique, the specific surface area of ceramic packing has been increased, the raw materials that flow in can make a round trip to collide intensive mixing contact during the use, high flux and big specific surface have been taken into account.
As a further improvement, a structural reinforcing frame 18 is mounted on the bottom of the main body ceramic frame, and the structural reinforcing frame 18 includes a central ring 18a and four branch strips 18b fixedly connected to the peripheral side of the central ring 18a, wherein two branch strips 18b are respectively fixed on the inner side walls of the two flat plates 15, and the other two branch strips 18b are fixed on the inner side walls of the two lace bent plates 16.
As another improvement, the outer wall of one end of the flat plate is provided with a strip-shaped clamping groove block with a clamping groove, and the outer wall of one end of the flat plate, which is far away from the clamping groove block, is provided with a flat clamping block matched with the clamping groove. In this kind of improved design, the double-layered groove piece pairs with the flat clamp piece and sets up, when accomodating and putting a large amount of ceramic packing, can be with the orderly putting of these ceramic packing, and two adjacent ceramic packings can be through putting into the double-layered groove piece with the flat clamp piece and remain stable.
In one embodiment, the top of each of the first, second, third, and fourth desulfurization tanks 1, 2, 3, and 4 is provided with an exhaust port, and an exhaust pipe 19 having an opening and closing valve is connected to the exhaust port.
In another embodiment, the first, second, third, and fourth desulfurization tanks 1, 2, 3, and 4 are also connected to a backwash water pipe 20 having an opening/closing valve.
In another embodiment, the first, second, third, and fourth desulfurization tanks 1, 2, 3, and 4 are further communicated with a drain pipe 21 having an opening/closing valve.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A desulfurization waste liquid purifier which characterized in that: the device comprises a first desulfurization tank, a second desulfurization tank, a third desulfurization tank and a fourth desulfurization tank which are sequentially communicated;
the liquid inlet of the first desulfurization tank is externally connected with desulfurization waste liquid through a liquid inlet pipe, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the first desulfurization tank and the liquid inlet of the second desulfurization tank, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the second desulfurization tank and the liquid inlet of the third desulfurization tank, a switch valve is arranged on a pipeline which is communicated and communicated between the liquid outlet of the third desulfurization tank and the liquid inlet of the fourth desulfurization tank, and a liquid outlet of the fourth desulfurization tank is connected with a liquid discharge pipe with the switch valve;
a porous ceramic filtering device for filtering and purifying the desulfurization waste liquid is arranged in the first desulfurization tank, the porous ceramic filtering device comprises a straight tube type ceramic membrane filtering tube, a plurality of filtering channels are arranged on the ceramic membrane filtering tube along the extending direction of the axis, one end of the ceramic membrane filter tube is provided with a trumpet-shaped liquid collecting hopper, the larger opening end of the liquid collecting hopper is communicated with one end of the ceramic membrane filter tube, the smaller end of the liquid collecting hopper is connected with a collision separation straight pipe, a plurality of collision plates are arranged in the collision separation straight pipe at equal intervals, one end of the collision separation straight pipe, which is far away from the liquid collecting hopper, is connected with a calabash-shaped ceramic membrane filter piece, one end of the ceramic membrane filtering piece, which is far away from the collision separation straight pipe, is connected with a liquid outlet pipe, a plurality of porous ceramic balls are arranged in the ceramic membrane filtering piece, and a filtering pore plate is arranged at the connecting part of the liquid outlet pipe and the ceramic membrane filtering piece;
ceramic filler and active carbon that carry out filtration purification to the desulfurization waste liquid have been piled in the second digester, be provided with the active carbon that is used for deep purification in the third digester, be provided with the ceramic membrane that is used for deep purification in the fourth digester.
2. The desulfurization waste liquid purification apparatus according to claim 1, characterized in that: the liquid collecting hopper and the collision separation straight pipe are integrally formed, the liquid collecting hopper and the ceramic membrane filter pipe are connected in a threaded mode in a detachable mode, the collision separation straight pipe and the ceramic membrane filter piece are connected in a threaded mode in a detachable mode, and the ceramic membrane filter piece and the liquid outlet pipe are connected in a threaded mode in a detachable mode.
3. The desulfurization waste liquid purification apparatus according to claim 1, characterized in that: the ceramic packing comprises a cylindrical main ceramic frame, the main ceramic frame comprises two flat plates which are oppositely arranged and two lace bent plates which are oppositely arranged, and the lace bent plates are composed of arc-shaped inner concave plates and arc-shaped outer convex plates which are continuously connected at intervals; and a plurality of collision guide plates are fixed on the inner side walls of the two flat plates at equal intervals, and the collision guide plates extend downwards towards the central part of the main ceramic frame in an inclined mode.
4. The desulfurization waste liquid purification apparatus according to claim 3, characterized in that: the structure reinforcing frame is installed to main part ceramic frame's bottom, the structure reinforcing frame includes central ring and four branch laths of fixed connection in central ring week side, and wherein two branch laths correspond respectively and fix on two dull and stereotyped inside walls, and two other branch laths are fixed on the inside wall of two lace bent plates.
5. The desulfurization waste liquid purification apparatus according to claim 1, characterized in that: the top of first digester, second digester, third digester and fourth digester all is equipped with the gas vent, the intercommunication has the blast pipe of taking the ooff valve on the gas vent.
6. The desulfurization waste liquid purification apparatus according to claim 1, characterized in that: and the first desulfurizing tank, the second desulfurizing tank, the third desulfurizing tank and the fourth desulfurizing tank are also communicated with a back flushing water pipe with a switch valve.
7. The desulfurization waste liquid purification apparatus according to claim 1, characterized in that: and the first desulfurizing tank, the second desulfurizing tank, the third desulfurizing tank and the fourth desulfurizing tank are also communicated with a sewage discharge pipe with a switch valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818540.9A CN108911041B (en) | 2018-07-24 | 2018-07-24 | Desulfurization waste liquid purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810818540.9A CN108911041B (en) | 2018-07-24 | 2018-07-24 | Desulfurization waste liquid purifier |
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| CN108911041A CN108911041A (en) | 2018-11-30 |
| CN108911041B true CN108911041B (en) | 2021-06-29 |
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| CN110921897A (en) * | 2019-11-29 | 2020-03-27 | 柳州钢铁股份有限公司 | Purification method of OMC desulfurization waste liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189971Y (en) * | 1994-04-02 | 1995-02-22 | 于永德 | Desulfurizing apparatus |
| CN102674398A (en) * | 2012-05-11 | 2012-09-19 | 北京旭阳化工技术研究院有限公司 | Method for recovering ammonium sulfate and ammonium thiocyanate from desulfuration waste liquor |
| CN105130085A (en) * | 2015-09-28 | 2015-12-09 | 山西长林环保机械设备有限公司 | Coking desulfurization waste solution treatment process and device |
| WO2016186674A1 (en) * | 2015-05-21 | 2016-11-24 | Babcock & Wilcox Power Generation Group, Inc. | System and method for reducing liquid discharge from one or more wet flue gas desulphurization devices |
| CN107585904A (en) * | 2017-08-17 | 2018-01-16 | 武汉天空蓝环保科技有限公司 | A kind of desulfurization wastewater efficiently separates system |
-
2018
- 2018-07-24 CN CN201810818540.9A patent/CN108911041B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189971Y (en) * | 1994-04-02 | 1995-02-22 | 于永德 | Desulfurizing apparatus |
| CN102674398A (en) * | 2012-05-11 | 2012-09-19 | 北京旭阳化工技术研究院有限公司 | Method for recovering ammonium sulfate and ammonium thiocyanate from desulfuration waste liquor |
| WO2016186674A1 (en) * | 2015-05-21 | 2016-11-24 | Babcock & Wilcox Power Generation Group, Inc. | System and method for reducing liquid discharge from one or more wet flue gas desulphurization devices |
| CN105130085A (en) * | 2015-09-28 | 2015-12-09 | 山西长林环保机械设备有限公司 | Coking desulfurization waste solution treatment process and device |
| CN107585904A (en) * | 2017-08-17 | 2018-01-16 | 武汉天空蓝环保科技有限公司 | A kind of desulfurization wastewater efficiently separates system |
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